201303230013 has 6 divisors (see below), whose sum is σ = 290771332254. Its totient is φ = 134202153336.

The previous prime is 201303229997. The next prime is 201303230033. The reversal of 201303230013 is 310032303102.

It can be written as a sum of positive squares in only one way, i.e., 145341650169 + 55961579844 = 381237^2 + 236562^2 .

It is not a de Polignac number, because 201303230013 - 2⁴ = 201303229997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201303230033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11183512770 + ... + 11183512787.

It is an arithmetic number, because the mean of its divisors is an integer number (48461888709).

Almost surely, 2^201303230013 is an apocalyptic number.

It is an amenable number.

201303230013 is a deficient number, since it is larger than the sum of its proper divisors (89468102241).

201303230013 is a wasteful number, since it uses less digits than its factorization.

201303230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22367025563 (or 22367025560 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 201303230013 its reverse (310032303102), we get a palindrome (511335533115).

The spelling of 201303230013 in words is "two hundred one billion, three hundred three million, two hundred thirty thousand, thirteen".